B is your answer all of the above
Answer:
they can make only their own type of cell
Explanation:
A P E X
Answer:
Explanation:
This is known as the RNA world hypothesis. Scientists favor RNA over DNA as the first genetic molecule for several reasons. Perhaps the most important is that RNA can, in addition to carrying information, act as a catalyst. ... A catalytic RNA could, potentially, catalyze a chemical reaction to copy itself.
The blood wouldn't pump through the heart the right way and a lot of blood wouldn't be pumped and if it wasn't treated, the person with the heart would die.
The bill and feet of the platypus are specially adapted for survival in their environment in deciduous forests because they <span>have wide nails for digging burrows; webbed feet; grind food with modified teeth on the upper part of their bill.</span>
